[jdk21u-dev] RFR: 8317007: Add bulk removal of dead nmethods during class unloading [v2]

[Goetz Lindenmaier]

> I backport this for parity with 21.0.4-oracle.
> 
> Clean patch on top of 8317809.

Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains six additional commits since the last revision:

 - Backport f55381950266088cc0284754b16663675867ac87
 - Merge branch 'openjdk:master' into goetz_backport_8317809-keep
 - Merge branch 'openjdk:master' into goetz_backport_8317809-keep
 - Merge branch 'openjdk:master' into goetz_backport_8317809-keep
 - Resolved hunks
 - Backport 30817b742300f10f566e6aee3a8c1f8af4ab3083

-------------

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/548/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/548/files/e7ac49a9..e7ac49a9

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=548&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=548&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/548.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/548/head:pull/548

PR: https://git.openjdk.org/jdk21u-dev/pull/548